Connection Details

All fields are required. The greeting is used as the email subject. The generated message body automatically includes a greeting line, your message text, the request date and time, separate IPv4 and IPv6 lines, and a thank-you closing.

Example: smtp.example.com
Match this to the SMTP provider configuration.
Typical values: 25, 465, or 587.
Usually the full mailbox address or SMTP account name.
Use the SMTP password or application-specific password.
Sender email address used for the outgoing message.
Recipient email address that should receive the test message.
Used as the test email subject line.
Detected from request headers (read-only).
Detected from request headers (read-only).
Used as the main message line after the generated `Hello,` greeting.

Terminal Output

SMTP connection logs will appear here.

Run an SMTP Auth Check to see the communication log line by line.